SKRD 500/6/70/40 – InlineVent® rectangular duct fans 3 ph – Helios

SKRD 500/6/70/40 – InlineVent® rectangular duct fans 3 ph – Helios

Duct centrifugal fan, soundproofed for direct installation in rectangular duct system, fan unit can be swivelled out. Housing made of galvanized sheet steel with standardized channel flange profiles on both sides, space-saving design, sound-absorbing inner lining backed with 50mm thick mineral fiber panels. Service-friendly thanks to the swing-out motor-impeller unit. High performance radial impeller with backward curved blades made of plastic and galvanized steel. Vibration-free running thanks to dynamic balancing according to quality level G 6.3 DIN ISO 1940 T.1.

Drive: three-phase external rotor motor, built-in thermal contacts on a terminal board, closed design, speed adjustable using a 5-stage transformer or electronically (infinitely) and control using a Helios frequency converter with all-pole sine filter is possible, winding with moisture protection impregnation, maintenance-free, sealed , low-noise ball bearings with long-term lubrication. Mains connection to pre-assembled terminal box (IP54).